Shimano Ultegra Di2 ST-R8150 Rim Brake Shifter Set 12spd

SHIMANO ULTEGRA Di2 Rim Brake DUAL CONTROL LEVER 2x12-speed

ST-R8150-R, ST-R8150-L

Experience precision shifting with Shimano's Ultegra Di2 rim brake dual control levers, engineered for modern 2x12-speed drivetrains. These electronic shifters deliver instantaneous, crisp gear changes at the touch of a button, eliminating cable friction for consistent performance. The ergonomic design integrates seamlessly with rim brake systems, ensuring rim brake enthusiasts access the same advanced technology as disc brake riders. Ideal for road cyclists seeking reliable, responsive shifting on every ride.